Glock Ges.m.b.H. (trademarked as GLOCK) is a weapons manufacturer headquartered in Deutsch-Wagram, Austria, named after its founder, Gaston Glock. While the company is best known for its line of polymer-framed pistols, it also produces field knives, entrenching tools, and apparel.

Glock handguns are used by armed forces and law enforcement organizations worldwide, including a majority of law enforcement agencies in the United States. In some countries Glock handguns are popular with citizens for personal protection and practical shooting. The company sponsors a competitive shooting team which travels worldwide. As of 2014, Glock produces more than two dozen models of handguns in three different sizes and seven different cartridges in three calibers.